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LogiCORE IP Video Scaler v7.01.a - Why do I see what appears to be random glitches or flickering for several frames each second in video output from the Video Scaler?

Description

Why do I see what appears to be random glitches or flickering for several frames each second in video output from the Video Scaler?

Solution

This is a known issue discovered in v7.01.a of the Video Scaler. The problem is that the last line of a frame is repeated for every line of the next frame. This will happen randomly, causing flickering to occur in the output video.